System: Android 10/Android 11CPU: Qualcomme Snapdragon 450/Snapdragon 662, 8 coresRAM: 4G/6G/8GROM: 64GB/128GB/256GBSupport 4G LTE, can insert SIM card directlyScreen resolution: 1280*480/1920*720 IPS/seven color anti-glare/blue anti-glareKeep car original systemSupport original knob controlSupport original reverse camera (including original 360 camera)Support original steering wheel controlSupport WIFI, can connect to the mobile's hotspotSupport bluetooth call/bluetooth music/U diskSupport wireless Apple Carplay and wired Android Auto Support dashcamSupport aftermarket reverse cameraBuilt-in multi-language: support English, German, Russian, Spanish, Italian and other more than 100 languagesBuilt-in Play Store, Google Browser, Google MapsCompatible Car ModelsBMW X3 F25 X4 F26 2011-20178.8' before and after installing10.25' before and after installing12.3' before and after installing